Dr. Manuela Rossol 👩‍🔬🔬🔭さんのイラストまとめ

#OTD in 1983, Pioneer 10 crossed the orbit of Neptune. It was the first human-made object to travel this far.

Some of plant specimens collected by Ynes Mexia can be found digitized at the NYBG Steere Herbarium. https://t.co/KVviIXSnnG

#OTD in 1940, British entomologist and illustrator Margaret Fountaine died, with a butterfly net in her hands, from a heart attack in Trinidad. #WomenInSTEM

#OTD in 1647, Maria Sibylla Merian was born in Frankfurt. She was one of the first naturalists to observe the life cycle of insects. Merian is also known for her beautiful scientific illustrations.

#OTD in 1962, John Glenn became the first NASA astronaut to orbit the Earth. 📷 NASA

#OTD in 1610, Galileo Galilei discovered 3 moons of Jupiter (Io, Europa & Ganymede), a week later the fourth moon (Callisto).

#OTD in 1858, English photographer William Usherwood became the first to successfully photograph a comet. The photograph of Donati's Comet has not survived. 📷 Painting of Donati's Comet

#OTD in 1977, Voyager 1 was launched on its way to Jupiter & Saturn. It has reached interstellar space in 2012. 📷 NASA

#OTD in 1885, Isaac Ward observed a supernova in the Andromeda galaxy, the only one seen in that galaxy so far. 📷 Andromada galaxy (right), NASA/JPL-Caltech

Hubble Finds That Betelgeuse's Mysterious Dimming Is Due to a Traumatic Outburst. 📷 NASA, ESA, and E. Wheatley (STScI) https://t.co/aBQRxamH9A